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Finding the Fourth Proportional to 174,523.38, 240,863.73 and 102,909.78

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Solution

The fourth proportional to 174,523.38, 240,863.73 and 102,909.78 is: 142,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,523.38 : 240,863.73 = 102,909.78 : x
  2. Step 2: Convert to fraction form
    174,523.38/240,863.73 = 102,909.78/x
  3. Step 3: Cross multiply
    174,523.38x = 240,863.73 × 102,909.78
  4. Step 4: Simplify right side
    174,523.38x = 24,787,233,464.28
  5. Step 5: Solve for x
    x = 24,787,233,464.28/174,523.38
  6. Step 6: Final answer
    x = 142,028.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.